Wednesday, June 22, 2011

Modify one PTR in existing bind9 setup?

Hello *,

I have a hardware DSL/GSM Router where I can not change the setings for
the 2 NTP servers, because they are hardcoded.

All I can do is to change the two NameServers to my <dns1> and <dns2> or
my internal <dns.private> server where I could setup IPT.

Now seting up PTR zones where those NTPs resides does not work, because
all other IPs would not more have a working PTR record.

So, my question is:

How can I capture the two hardcoded IPs from the DSL/GSM Router and
redirect it to my own NTP-Server?

Note: This bullshit router of my ISP does SEND more date then only the
NTP-Request and this is WHY I wan to intercept this crap.

If I should use IPT, how must the rules look like?

The current setup is:

<dns1@tamay-dogan.net>-+ +--<dns.private>
<dns2@tamay-dogan.net>-+ +--<ntp.private>
| +--<samba.private>
INTERNET +---- router with a ----+
| crappy NTP Client +--<michelle1.private>
<ntp1_by_IP>-----------+ +--<devel.private>
<ntp2_by_IP>-----------+
capturing uncontrolled
data from my router

and the traffic goes currently from the router to the TWO <ntp*_by_IP>.
Now I need to redirect the NTP traffic to <ntp.private> which is a DCF77
receiver.

Thanks, Greetings and nice Day/Evening
Michelle Konzack

--
##################### Debian GNU/Linux Consultant ######################
Development of Intranet and Embedded Systems with Debian GNU/Linux

itsystems@tdnet France itsystems@tdnet
Owner Michelle Konzack Owner Michelle Konzack

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50, rue de Soultz 77694 Kehl/Germany
67100 Strasbourg/France Tel office: +49-176-86004575
Tel mobil: +33-6-61925193 Tel mobil: +49-177-9351947

<http://www.itsystems.tamay-dogan.net/> <http://www.flexray4linux.org/>
<http://www.debian.tamay-dogan.net/> <http://www.can4linux.org/>

Jabber linux4michelle@jabber.ccc.de

Linux-User #280138 with the Linux Counter, http://counter.li.org/

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